OFFSET
1,2
COMMENTS
The larger solution is 2*a(n).
LINKS
MATHEMATICA
invIPhi[#][[1]]& /@ Select[Range[300], Length[invIPhi[#]] == 2 &] (* using the function invIPhi from A362484 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Amiram Eldar, Apr 29 2023
STATUS
proposed